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Stem Cells

Life Science - Middle School

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cells are transferred to culture dishes • potential therapeutics • toxicity testing bone marrow - leukemia pancreatic cells - diabetes heart disease neural cells - Parkinson’s & Alzheimer’s What are stem cells? The human body consists of trillions of cells, including some 200 different cell types with specialized functions. Stem cells, on the other hand, do not have a specialized function and have the potential to develop into many different cell types. Under certain physiologic or experimental conditions, stem cells can be induced to become tissue or organ specific cells with special functions. How are stem cells made? Scientists primarily work with two kinds of stem cells from animals and humans: embryonic stem cells and non-embryonic "somatic" or "adult" stem cells. The Promise of Stem Cells Stem cells have the capacity to not only form different types of cells but also to keep multiplying. These characteristics make stem cells a potential renewable source of replacement cells for repairing damaged tissue and studying and treating disease and disabilities including Parkinson's disease, amyotrophic lateral sclerosis (ALS), spinal cord injuries, burns, heart disease, diabetes and arthritis. fertilized egg inner cell mass zygote undergoes division Blastocyst embryo with 200 or more cells Differentiation Embryonic stem cells can be transformed into any specialized cell type by changing the growth media or environmental conditions of the culture or by manipulating it’s genetic makeup. Implantation Once implanted in the desired organ, these cells develop into functioning cells. Neural cells Blood cells Cardiac muscle Blood cells Muscle cells Neural cells Cartilage Stem Cells Stem Cells Study and treatment of genetic diseases Test the eﬀect of drugs on cells Produce replacement cells and tissues for transplantation Rx Stem Cells www.newpathlearning.com © Copyright NewPath Learning. All Rights Reserved. 94-4638

cells are transferred to culture dishes • potential therapeutics • toxicity testing pancreatic cells - diabetes heart disease bone marrow - leukemia neural cells - Parkinson’s & Alzheimer’s \|xiBAHBDy01772rzu What are stem cells? The _____________ _____________ consists of _____________ of _____________ , including some 200 different cell types with _____________ ____________ . ____________ ___________ , on the other hand, do not have a specialized function and have the potential to develop into many different cell types. Under certain physiologic or experimental conditions, stem cells can be _____________ to become tissue or organ specific cells with _____________ _____________ . How are stem cells made? Scientists primarily work with two kinds of stem cells from animals and humans: _______________ stem cells and ________________ "_________________ " or "_________________ " stem cells . The Promise of Stem Cells Stem cells have the capacity to not only form different types of cells but also to keep multiplying. These characteristics make stem cells a potential renewable source of ____________________ __________ for repairing damaged tissue and studying and treating disease and disabilities including _____________________ ____________________________________________________________________________________________. fertilized egg inner cell mass ________________ under goes division Blastocyst embryo with 200 or more cells Differentiation _____________ stem cells can be _____________ into any _____________ cell type by changing the growth media or environmental conditions of the culture or by manipulating it’s _____________ makeup. Implantation Once implanted in the desired organ, these cells develop into functioning cells. Blood cells Muscle cells Neural cells Stem Cells Stem Cells Rx Key Vocabulary Terms • blastocyst • implantation • cartilage • neural cells • differentiation • somatic stem cells • embryonic stem cells • stem cells • fertilized egg • zygote Stem Cells www.newpathlearning.com © Copyright NewPath Learning. All Rights Reserved. 94-4638

Stem Cells

Life Science - Middle School

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